<ARTICLE> 5 <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-END> DEC-31-1999 <CASH> 29,059,200 <SECURITIES> 0 <RECEIVABLES> 10,263,200 <ALLOWANCES> 438,400 <INVENTORY> 577,600 <CURRENT-ASSETS> 42,260,100 <PP&E> 118,349,100 <DEPRECIATION> 31,207,300 <TOTAL-ASSETS> 132,083,600 <CURRENT-LIABILITIES> 44,764,000 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 157,400 <OTHER-SE> 70,567,500 <TOTAL-LIABILITY-AND-EQUITY> 132,083,600 <SALES> 46,988,100 <TOTAL-REVENUES> 96,810,600 <CGS> 44,188,200 <TOTAL-COSTS> 86,710,100 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 272,500 <INTEREST-EXPENSE> 182,400 <INCOME-PRETAX> 10,100,500 <INCOME-TAX> 2,276,200 <INCOME-CONTINUING> 7,824,300 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 7,824,300 <EPS-BASIC> .50 <EPS-DILUTED> .48